2 years ago

Notebooks cost $1.20 each. This weekend they will be on sale for $0.80. What percentage is the sale?

2 answers:

7 0

33% should be your answer

6 0

33% off you are paying 66%

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lukranit [14]

Answer: The measure of the vertex angle = 80°

Step-by-step explanation:

Angle sum property of triangle : The sum of the measures of the angles for any triangle is 180 degrees.

So,

$3x+ 5 + 5x-25+6x-10= 180\\\\\Rightarrow\ 14x-30=180\\\\\Rightarrow\ 14x= 210\\\\\Rightarrow x=\dfrac{210}{14}=15$ '

Then, vertex angle = $6(15)-10=90-10= 80$

Hence, The measure of the vertex angle = 80°

5 0

2 years ago

Leviafan [203]

Answer:

4 sides i think

4 0

3 years ago

posledela

Answer:

Equation: ($26÷4 hours) × 25 hours

Answer: $156.25

Step-by-step explanation:

First, you would have to find out how much she earns per hour, so $26÷4. Then you multiply that by 25.

(26÷4) x 25=$156.25.

(hope this helps :P)

3 0

2 years ago

coldgirl [10]

I need a picture so i can help you out.

6 0

3 years ago

AURORKA [14]

im pretty sure true because they do not intersect and are not parallel :)

7 0

3 years ago